-79.77% is the change from 173 to 35
Calculation steps:
[( 35 - 173 ) ÷ 173] x 100 = -79.77%
Formula
Percentage change = [(35 - 173) / 173] x 100
Subtract the new number by the original number
35 - 173 = -138
-138 ÷ 173 = -0.7976878612716763
-0.7976878612716763 x 100 = -79.77%